---
id: CVE-2026-28657
title: >-
  In onActivityResult of AppWidgetConfigActivityProxy.java, there is a possible
  unauthorized URI permission grant due to a confused deputy
summary: >-
  In onActivityResult of AppWidgetConfigActivityProxy.java, there is a possible
  unauthorized URI permission grant due to a confused deputy. This could lead to
  local escalation of privilege with no additional execution privileges needed.
  Us…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-441
vendor: google
product: android
affected:
  - android = 16.0
  - android = 17.0
published: '2026-09-08'
updated: '2026-09-15'
sourceUpdated: '2026-09-15T14:15:24.490'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-28657'
references:
  - url: 'https://source.android.com/docs/security/bulletin/2026/2026-09-01'
    label: security@android.com
tags:
  - nvd
  - cve.org
epss: 0.00072
epssPercentile: 0.00071
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-10T03:57:23.895753Z'
ingestedAt: '2026-09-08T19:08:49.642Z'
---

## Overview

In onActivityResult of AppWidgetConfigActivityProxy.java, there is a possible unauthorized URI permission grant due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

## Affected

- `android = 16.0`
- `android = 17.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.